update to use isdigit and updated tests

awx_collection/tests/integration/targets/tower_project_update/tasks/main.yml

@@ -15,11 +15,11 @@
     scm_type: git
     scm_url: https://github.com/ansible/test-playbooks
     wait: false
-  register: result
+  register: project_create_result
 
 - assert:
     that:
-      - result is changed
+      - project_create_result is changed
 
 - name: Update a project without waiting
   tower_project_update:
@@ -43,6 +43,17 @@
     that:
       - result is successful
 
+- name: Update a project by ID
+  tower_project_update:
+    name: "{{ project_create_result.id }}"
+    organization: Default
+    wait: true
+  register: result
+
+- assert:
+    that:
+      - result is successful
+
 - name: Delete the test project 1
   tower_project:
     name: "{{ project_name1 }}"